Agricultural/Bioengineering Agricultural Structures and Environment 2

Question 1

Which gas is the primary air quality concern in confined swine facilities?

Accepted Answer

Ammonia

Answer

Ammonia released from manure is the principal air quality and health hazard in swine confinement housing.

Question 2

What is the function of a manure management lagoon?

Accepted Answer

Store and biologically treat livestock manure

Answer

An anaerobic lagoon stores and treats manure through biological decomposition before land application.

Question 3

In broiler housing design, litter management is critical because poor litter quality leads to:

Accepted Answer

Paw and hock burns, respiratory disease, and reduced performance

Answer

Wet litter harbors pathogens, produces ammonia, and causes contact dermatitis (hock burn) in broilers.

Question 4

A vapor barrier in a livestock building is installed to:

Accepted Answer

Prevent condensation and moisture damage to insulation and structural members

Answer

A vapor barrier on the warm side of insulation prevents warm, moist indoor air from condensing within the wall assembly.

Question 5

The purpose of eave openings in a naturally ventilated barn is to:

Accepted Answer

Allow cool fresh air to enter at low velocity

Answer

Eave inlets allow fresh outside air to enter at the perimeter and flow up toward the ridge outlet.

Agricultural/Bioengineering Practice Test